package day02;

public class longdemo {
    public static void main(String[] args) {
        long a=25L;
        long b=10000000000L;
        long c=1000000000*2*10L;
        long d=1000000000L*3*10;
        System.out.println(c);
System.out.println( d);
long m=1000000000L*2*10;
System.out.println(m);
long k=9000000000000000000L;
System.out.println(k);
long l=888889890909L;
long o=k*l;
System.out.println(o);



    }
}
